Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6218323 | Soda-lime-silicate glass composition | Hubert Drexler | 2001-04-17 |
| 5346768 | Soda-lime glass containing vanadium | Ernst Winter, Friedrich Marwan, Hubert Drexler | 1994-09-13 |
| 5210592 | Method and apparatus for determining the optical quality of a transparent plate | — | 1993-05-11 |